brack36 Posted March 4, 2008 Report Share Posted March 4, 2008 Hey, I'm new to GPS so this is probably a stupid question. I just installed my D3 and everything works. 8 satalites and one green bar most of the time. The beep to speed is changing tune with speed, so my VSS wire is good. When I make sudden changes in speed the D3 lags behind in response. If I take off from a stop the D3 gets a good bit behind. and when I stop a bit to quickly, the D3 goes right into the intersection before stoping. It's gonna get hit! . Ok, that was retarted. But anyway, I'm just wondering if this is normal, or is my D3 drunk? Aside from speed changes, it works great. Thanks Quote Link to post Share on other sites
whtcrxghst Posted March 4, 2008 Report Share Posted March 4, 2008 How many miles do you have on it? It does take time to calibrate completely Quote Link to post Share on other sites
brack36 Posted March 4, 2008 Author Report Share Posted March 4, 2008 Not many at all. Maby 50. Did you have this problem when your's was new? Quote Link to post Share on other sites
whtcrxghst Posted March 4, 2008 Report Share Posted March 4, 2008 Ya. You can check it under the hardware info section in the navi menu Quote Link to post Share on other sites
brack36 Posted March 4, 2008 Author Report Share Posted March 4, 2008 Ok, thanks for the help. Quote Link to post Share on other sites
crxxfactor Posted March 9, 2008 Report Share Posted March 9, 2008 i have had that issue on some chevys u have to go 30 or below for it to go into 3d hybrid.Now jus cause it makes the noise doesnt mean u always have the right wire.U may need a wheel speed sensor.What make and year is your car.... Quote Link to post Share on other sites
brack36 Posted March 9, 2008 Author Report Share Posted March 9, 2008 It's a 2006 grand prix. I've noticed that below 7 MPH the beeps stop. In the manual it says that some cars don't produce a speed signal at low speeds. Driving through back roads with a lot of stop signs is where I see the lag the most, so I'm guessing this is the problem. It it very accurate on the free ways. Is there a way to tap into the tire speed, or is there something I need to buy? I've read about a speed pulse generator. Is this what your talking about? Quote Link to post Share on other sites
crxxfactor Posted March 10, 2008 Report Share Posted March 10, 2008 Dark Green wire at the the radio harness in the C2 connector should be your speed sense wire.If not use speed pulse generator from rostra or wherever u can find one.I can get the part number from work if u need it. Quote Link to post Share on other sites
brack36 Posted March 16, 2008 Author Report Share Posted March 16, 2008 Thanks for the help man. I'm just going to try dissconecting the vss wire completely. I haven't read any complaints from people who arent using it. If this dosn't work out I'll give a speed pulse generator a try. Quote Link to post Share on other sites
brack36 Posted March 16, 2008 Author Report Share Posted March 16, 2008 I drove around for about 10 minutes with the VSS disconected, drove home, and hooked it right back up. HUGE performance degredation. I can deal with a little low speed lag. Quote Link to post Share on other sites
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